被TranslateAnimation弄晕了

被TranslateAnimation搞晕了。

        mailboxHeaderBar.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                final LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams) mailboxHeaderBar.getLayoutParams();                int bottomMargin = layoutParams.bottomMargin;                if (bottomMargin < 0) {                    mailboxHeaderBar.startAnimation(bottomFrameAnimationIn);                    layoutParams.bottomMargin = 0;                }else{                    mailboxHeaderBar.startAnimation(bottomFrameAnimationOut);                    layoutParams.bottomMargin = -205;                }                mailboxHeaderBar.setLayoutParams(layoutParams);            }        });